media: allegro: move driver out of staging

The stateful encoder API was finalized. Nothing is blocking the driver
from being moved out of staging.

Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

1 files changed, 0 insertions, 543 deletions

diff --git a/drivers/staging/media/allegro-dvt/allegro-mail.c b/drivers/staging/media/allegro-dvt/allegro-mail.c
deleted file mode 100644
index 9286d2162377..000000000000
--- a/drivers/staging/media/allegro-dvt/allegro-mail.c
+++ /dev/null
@@ -1,543 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Copyright (C) 2019 Pengutronix, Michael Tretter <kernel@pengutronix.de>
- *
- * Helper functions for handling messages that are send via mailbox to the
- * Allegro VCU firmware.
- */
-
-#include <linux/bitfield.h>
-#include <linux/export.h>
-#include <linux/errno.h>
-#include <linux/string.h>
-#include <linux/videodev2.h>
-
-#include "allegro-mail.h"
-
-const char *msg_type_name(enum mcu_msg_type type)
-{
-	static char buf[9];
-
-	switch (type) {
-	case MCU_MSG_TYPE_INIT:
-		return "INIT";
-	case MCU_MSG_TYPE_CREATE_CHANNEL:
-		return "CREATE_CHANNEL";
-	case MCU_MSG_TYPE_DESTROY_CHANNEL:
-		return "DESTROY_CHANNEL";
-	case MCU_MSG_TYPE_ENCODE_FRAME:
-		return "ENCODE_FRAME";
-	case MCU_MSG_TYPE_PUT_STREAM_BUFFER:
-		return "PUT_STREAM_BUFFER";
-	case MCU_MSG_TYPE_PUSH_BUFFER_INTERMEDIATE:
-		return "PUSH_BUFFER_INTERMEDIATE";
-	case MCU_MSG_TYPE_PUSH_BUFFER_REFERENCE:
-		return "PUSH_BUFFER_REFERENCE";
-	default:
-		snprintf(buf, sizeof(buf), "(0x%04x)", type);
-		return buf;
-	}
-}
-EXPORT_SYMBOL(msg_type_name);
-
-static ssize_t
-allegro_enc_init(u32 *dst, struct mcu_msg_init_request *msg)
-{
-	unsigned int i = 0;
-	enum mcu_msg_version version = msg->header.version;
-
-	dst[i++] = msg->reserved0;
-	dst[i++] = msg->suballoc_dma;
-	dst[i++] = msg->suballoc_size;
-	dst[i++] = msg->l2_cache[0];
-	dst[i++] = msg->l2_cache[1];
-	dst[i++] = msg->l2_cache[2];
-	if (version >= MCU_MSG_VERSION_2019_2) {
-		dst[i++] = -1;
-		dst[i++] = 0;
-	}
-
-	return i * sizeof(*dst);
-}
-
-static inline u32 settings_get_mcu_codec(struct create_channel_param *param)
-{
-	enum mcu_msg_version version = param->version;
-	u32 pixelformat = param->codec;
-
-	if (version < MCU_MSG_VERSION_2019_2) {
-		switch (pixelformat) {
-		case V4L2_PIX_FMT_H264:
-		default:
-			return 1;
-		}
-	} else {
-		switch (pixelformat) {
-		case V4L2_PIX_FMT_H264:
-		default:
-			return 0;
-		}
-	}
-}
-
-ssize_t
-allegro_encode_config_blob(u32 *dst, struct create_channel_param *param)
-{
-	enum mcu_msg_version version = param->version;
-	unsigned int i = 0;
-	unsigned int j = 0;
-	u32 val;
-	unsigned int codec = settings_get_mcu_codec(param);
-
-	if (version >= MCU_MSG_VERSION_2019_2)
-		dst[i++] = param->layer_id;
-	dst[i++] = FIELD_PREP(GENMASK(31, 16), param->height) |
-		   FIELD_PREP(GENMASK(15, 0), param->width);
-	if (version >= MCU_MSG_VERSION_2019_2)
-		dst[i++] = param->videomode;
-	dst[i++] = param->format;
-	if (version < MCU_MSG_VERSION_2019_2)
-		dst[i++] = param->colorspace;
-	dst[i++] = param->src_mode;
-	if (version >= MCU_MSG_VERSION_2019_2)
-		dst[i++] = param->src_bit_depth;
-	dst[i++] = FIELD_PREP(GENMASK(31, 24), codec) |
-		   FIELD_PREP(GENMASK(23, 8), param->constraint_set_flags) |
-		   FIELD_PREP(GENMASK(7, 0), param->profile);
-	dst[i++] = FIELD_PREP(GENMASK(31, 16), param->tier) |
-		   FIELD_PREP(GENMASK(15, 0), param->level);
-
-	val = 0;
-	val |= param->temporal_mvp_enable ? BIT(20) : 0;
-	val |= FIELD_PREP(GENMASK(7, 4), param->log2_max_frame_num) |
-	       FIELD_PREP(GENMASK(3, 0), param->log2_max_poc);
-	dst[i++] = val;
-
-	val = 0;
-	val |= param->dbf_ovr_en ? BIT(2) : 0;
-	dst[i++] = val;
-
-	if (version >= MCU_MSG_VERSION_2019_2) {
-		val = 0;
-		val |= param->custom_lda ? BIT(2) : 0;
-		val |= param->rdo_cost_mode ? BIT(20) : 0;
-		dst[i++] = val;
-
-		val = 0;
-		val |= param->lf ? BIT(2) : 0;
-		val |= param->lf_x_tile ? BIT(3) : 0;
-		val |= param->lf_x_slice ? BIT(4) : 0;
-		dst[i++] = val;
-	} else {
-		val = 0;
-		dst[i++] = val;
-	}
-
-	dst[i++] = FIELD_PREP(GENMASK(15, 8), param->beta_offset) |
-		   FIELD_PREP(GENMASK(7, 0), param->tc_offset);
-	dst[i++] = param->unknown11;
-	dst[i++] = param->unknown12;
-	if (version >= MCU_MSG_VERSION_2019_2)
-		dst[i++] = param->num_slices;
-	else
-		dst[i++] = FIELD_PREP(GENMASK(31, 16), param->prefetch_auto) |
-			   FIELD_PREP(GENMASK(15, 0), param->num_slices);
-	dst[i++] = param->prefetch_mem_offset;
-	dst[i++] = param->prefetch_mem_size;
-	dst[i++] = FIELD_PREP(GENMASK(31, 16), param->clip_vrt_range) |
-		   FIELD_PREP(GENMASK(15, 0), param->clip_hrz_range);
-	dst[i++] = FIELD_PREP(GENMASK(31, 16), param->me_range[1]) |
-		   FIELD_PREP(GENMASK(15, 0), param->me_range[0]);
-	dst[i++] = FIELD_PREP(GENMASK(31, 16), param->me_range[3]) |
-		   FIELD_PREP(GENMASK(15, 0), param->me_range[2]);
-	dst[i++] = FIELD_PREP(GENMASK(31, 24), param->min_tu_size) |
-		   FIELD_PREP(GENMASK(23, 16), param->max_tu_size) |
-		   FIELD_PREP(GENMASK(15, 8), param->min_cu_size) |
-		   FIELD_PREP(GENMASK(8, 0), param->max_cu_size);
-	dst[i++] = FIELD_PREP(GENMASK(15, 8), param->max_transfo_depth_intra) |
-		   FIELD_PREP(GENMASK(7, 0), param->max_transfo_depth_inter);
-	dst[i++] = param->entropy_mode;
-	dst[i++] = param->wp_mode;
-
-	dst[i++] = param->rate_control_mode;
-	dst[i++] = param->initial_rem_delay;
-	dst[i++] = param->cpb_size;
-	dst[i++] = FIELD_PREP(GENMASK(31, 16), param->clk_ratio) |
-		   FIELD_PREP(GENMASK(15, 0), param->framerate);
-	dst[i++] = param->target_bitrate;
-	dst[i++] = param->max_bitrate;
-	dst[i++] = FIELD_PREP(GENMASK(31, 16), param->min_qp) |
-		   FIELD_PREP(GENMASK(15, 0), param->initial_qp);
-	dst[i++] = FIELD_PREP(GENMASK(31, 16), param->ip_delta) |
-		   FIELD_PREP(GENMASK(15, 0), param->max_qp);
-	dst[i++] = FIELD_PREP(GENMASK(31, 16), param->golden_ref) |
-		   FIELD_PREP(GENMASK(15, 0), param->pb_delta);
-	dst[i++] = FIELD_PREP(GENMASK(31, 16), param->golden_ref_frequency) |
-		   FIELD_PREP(GENMASK(15, 0), param->golden_delta);
-	if (version >= MCU_MSG_VERSION_2019_2)
-		dst[i++] = param->rate_control_option;
-	else
-		dst[i++] = 0;
-
-	if (version >= MCU_MSG_VERSION_2019_2) {
-		dst[i++] = param->num_pixel;
-		dst[i++] = FIELD_PREP(GENMASK(31, 16), param->max_pixel_value) |
-			FIELD_PREP(GENMASK(15, 0), param->max_psnr);
-		for (j = 0; j < 3; j++)
-			dst[i++] = param->maxpicturesize[j];
-	}
-
-	if (version >= MCU_MSG_VERSION_2019_2)
-		dst[i++] = param->gop_ctrl_mode;
-	else
-		dst[i++] = 0;
-
-	if (version >= MCU_MSG_VERSION_2019_2)
-		dst[i++] = FIELD_PREP(GENMASK(31, 24), param->freq_golden_ref) |
-			   FIELD_PREP(GENMASK(23, 16), param->num_b) |
-			   FIELD_PREP(GENMASK(15, 0), param->gop_length);
-	dst[i++] = param->freq_idr;
-	if (version >= MCU_MSG_VERSION_2019_2)
-		dst[i++] = param->enable_lt;
-	dst[i++] = param->freq_lt;
-	dst[i++] = param->gdr_mode;
-	if (version < MCU_MSG_VERSION_2019_2)
-		dst[i++] = FIELD_PREP(GENMASK(31, 24), param->freq_golden_ref) |
-			   FIELD_PREP(GENMASK(23, 16), param->num_b) |
-			   FIELD_PREP(GENMASK(15, 0), param->gop_length);
-
-	if (version >= MCU_MSG_VERSION_2019_2)
-		dst[i++] = param->tmpdqp;
-
-	dst[i++] = param->subframe_latency;
-	dst[i++] = param->lda_control_mode;
-	if (version < MCU_MSG_VERSION_2019_2)
-		dst[i++] = param->unknown41;
-
-	if (version >= MCU_MSG_VERSION_2019_2) {
-		for (j = 0; j < 6; j++)
-			dst[i++] = param->lda_factors[j];
-		dst[i++] = param->max_num_merge_cand;
-	}
-
-	return i * sizeof(*dst);
-}
-
-static ssize_t
-allegro_enc_create_channel(u32 *dst, struct mcu_msg_create_channel *msg)
-{
-	enum mcu_msg_version version = msg->header.version;
-	unsigned int i = 0;
-
-	dst[i++] = msg->user_id;
-
-	if (version >= MCU_MSG_VERSION_2019_2) {
-		dst[i++] = msg->blob_mcu_addr;
-	} else {
-		memcpy(&dst[i], msg->blob, msg->blob_size);
-		i += msg->blob_size / sizeof(*dst);
-	}
-
-	if (version >= MCU_MSG_VERSION_2019_2)
-		dst[i++] = msg->ep1_addr;
-
-	return i * sizeof(*dst);
-}
-
-ssize_t allegro_decode_config_blob(struct create_channel_param *param,
-				   struct mcu_msg_create_channel_response *msg,
-				   u32 *src)
-{
-	enum mcu_msg_version version = msg->header.version;
-
-	if (version >= MCU_MSG_VERSION_2019_2) {
-		param->num_ref_idx_l0 = FIELD_GET(GENMASK(7, 4), src[9]);
-		param->num_ref_idx_l1 = FIELD_GET(GENMASK(11, 8), src[9]);
-	} else {
-		param->num_ref_idx_l0 = msg->num_ref_idx_l0;
-		param->num_ref_idx_l1 = msg->num_ref_idx_l1;
-	}
-
-	return 0;
-}
-
-static ssize_t
-allegro_enc_destroy_channel(u32 *dst, struct mcu_msg_destroy_channel *msg)
-{
-	unsigned int i = 0;
-
-	dst[i++] = msg->channel_id;
-
-	return i * sizeof(*dst);
-}
-
-static ssize_t
-allegro_enc_push_buffers(u32 *dst, struct mcu_msg_push_buffers_internal *msg)
-{
-	unsigned int i = 0;
-	struct mcu_msg_push_buffers_internal_buffer *buffer;
-	unsigned int num_buffers = msg->num_buffers;
-	unsigned int j;
-
-	dst[i++] = msg->channel_id;
-
-	for (j = 0; j < num_buffers; j++) {
-		buffer = &msg->buffer[j];
-		dst[i++] = buffer->dma_addr;
-		dst[i++] = buffer->mcu_addr;
-		dst[i++] = buffer->size;
-	}
-
-	return i * sizeof(*dst);
-}
-
-static ssize_t
-allegro_enc_put_stream_buffer(u32 *dst,
-			      struct mcu_msg_put_stream_buffer *msg)
-{
-	unsigned int i = 0;
-
-	dst[i++] = msg->channel_id;
-	dst[i++] = msg->dma_addr;
-	dst[i++] = msg->mcu_addr;
-	dst[i++] = msg->size;
-	dst[i++] = msg->offset;
-	dst[i++] = lower_32_bits(msg->stream_id);
-	dst[i++] = upper_32_bits(msg->stream_id);
-
-	return i * sizeof(*dst);
-}
-
-static ssize_t
-allegro_enc_encode_frame(u32 *dst, struct mcu_msg_encode_frame *msg)
-{
-	enum mcu_msg_version version = msg->header.version;
-	unsigned int i = 0;
-
-	dst[i++] = msg->channel_id;
-
-	dst[i++] = msg->reserved;
-	dst[i++] = msg->encoding_options;
-	dst[i++] = FIELD_PREP(GENMASK(31, 16), msg->padding) |
-		   FIELD_PREP(GENMASK(15, 0), msg->pps_qp);
-
-	if (version >= MCU_MSG_VERSION_2019_2) {
-		dst[i++] = 0;
-		dst[i++] = 0;
-		dst[i++] = 0;
-		dst[i++] = 0;
-	}
-
-	dst[i++] = lower_32_bits(msg->user_param);
-	dst[i++] = upper_32_bits(msg->user_param);
-	dst[i++] = lower_32_bits(msg->src_handle);
-	dst[i++] = upper_32_bits(msg->src_handle);
-	dst[i++] = msg->request_options;
-	dst[i++] = msg->src_y;
-	dst[i++] = msg->src_uv;
-	if (version >= MCU_MSG_VERSION_2019_2)
-		dst[i++] = msg->is_10_bit;
-	dst[i++] = msg->stride;
-	if (version >= MCU_MSG_VERSION_2019_2)
-		dst[i++] = msg->format;
-	dst[i++] = msg->ep2;
-	dst[i++] = lower_32_bits(msg->ep2_v);
-	dst[i++] = upper_32_bits(msg->ep2_v);
-
-	return i * sizeof(*dst);
-}
-
-static ssize_t
-allegro_dec_init(struct mcu_msg_init_response *msg, u32 *src)
-{
-	unsigned int i = 0;
-
-	msg->reserved0 = src[i++];
-
-	return i * sizeof(*src);
-}
-
-static ssize_t
-allegro_dec_create_channel(struct mcu_msg_create_channel_response *msg,
-			   u32 *src)
-{
-	enum mcu_msg_version version = msg->header.version;
-	unsigned int i = 0;
-
-	msg->channel_id = src[i++];
-	msg->user_id = src[i++];
-	/*
-	 * Version >= MCU_MSG_VERSION_2019_2 is handled in
-	 * allegro_decode_config_blob().
-	 */
-	if (version < MCU_MSG_VERSION_2019_2) {
-		msg->options = src[i++];
-		msg->num_core = src[i++];
-		msg->num_ref_idx_l0 = FIELD_GET(GENMASK(7, 4), src[i]);
-		msg->num_ref_idx_l1 = FIELD_GET(GENMASK(11, 8), src[i++]);
-	}
-	msg->int_buffers_count = src[i++];
-	msg->int_buffers_size = src[i++];
-	msg->rec_buffers_count = src[i++];
-	msg->rec_buffers_size = src[i++];
-	msg->reserved = src[i++];
-	msg->error_code = src[i++];
-
-	return i * sizeof(*src);
-}
-
-static ssize_t
-allegro_dec_destroy_channel(struct mcu_msg_destroy_channel_response *msg,
-			    u32 *src)
-{
-	unsigned int i = 0;
-
-	msg->channel_id = src[i++];
-
-	return i * sizeof(*src);
-}
-
-static ssize_t
-allegro_dec_encode_frame(struct mcu_msg_encode_frame_response *msg, u32 *src)
-{
-	enum mcu_msg_version version = msg->header.version;
-	unsigned int i = 0;
-	unsigned int j;
-
-	msg->channel_id = src[i++];
-
-	msg->stream_id = src[i++];
-	msg->stream_id |= (((u64)src[i++]) << 32);
-	msg->user_param = src[i++];
-	msg->user_param |= (((u64)src[i++]) << 32);
-	msg->src_handle = src[i++];
-	msg->src_handle |= (((u64)src[i++]) << 32);
-	msg->skip = FIELD_GET(GENMASK(31, 16), src[i]);
-	msg->is_ref = FIELD_GET(GENMASK(15, 0), src[i++]);
-	msg->initial_removal_delay = src[i++];
-	msg->dpb_output_delay = src[i++];
-	msg->size = src[i++];
-	msg->frame_tag_size = src[i++];
-	msg->stuffing = src[i++];
-	msg->filler = src[i++];
-	msg->num_column = FIELD_GET(GENMASK(31, 16), src[i]);
-	msg->num_row = FIELD_GET(GENMASK(15, 0), src[i++]);
-	msg->num_ref_idx_l1 = FIELD_GET(GENMASK(31, 24), src[i]);
-	msg->num_ref_idx_l0 = FIELD_GET(GENMASK(23, 16), src[i]);
-	msg->qp = FIELD_GET(GENMASK(15, 0), src[i++]);
-	msg->partition_table_offset = src[i++];
-	msg->partition_table_size = src[i++];
-	msg->sum_complex = src[i++];
-	for (j = 0; j < 4; j++)
-		msg->tile_width[j] = src[i++];
-	for (j = 0; j < 22; j++)
-		msg->tile_height[j] = src[i++];
-	msg->error_code = src[i++];
-	msg->slice_type = src[i++];
-	msg->pic_struct = src[i++];
-	msg->reserved = FIELD_GET(GENMASK(31, 24), src[i]);
-	msg->is_last_slice = FIELD_GET(GENMASK(23, 16), src[i]);
-	msg->is_first_slice = FIELD_GET(GENMASK(15, 8), src[i]);
-	msg->is_idr = FIELD_GET(GENMASK(7, 0), src[i++]);
-
-	msg->reserved1 = FIELD_GET(GENMASK(31, 16), src[i]);
-	msg->pps_qp = FIELD_GET(GENMASK(15, 0), src[i++]);
-
-	msg->reserved2 = src[i++];
-	if (version >= MCU_MSG_VERSION_2019_2) {
-		msg->reserved3 = src[i++];
-		msg->reserved4 = src[i++];
-		msg->reserved5 = src[i++];
-		msg->reserved6 = src[i++];
-	}
-
-	return i * sizeof(*src);
-}
-
-/**
- * allegro_encode_mail() - Encode allegro messages to firmware format
- * @dst: Pointer to the memory that will be filled with data
- * @msg: The allegro message that will be encoded
- */
-ssize_t allegro_encode_mail(u32 *dst, void *msg)
-{
-	const struct mcu_msg_header *header = msg;
-	ssize_t size;
-
-	if (!msg || !dst)
-		return -EINVAL;
-
-	switch (header->type) {
-	case MCU_MSG_TYPE_INIT:
-		size = allegro_enc_init(&dst[1], msg);
-		break;
-	case MCU_MSG_TYPE_CREATE_CHANNEL:
-		size = allegro_enc_create_channel(&dst[1], msg);
-		break;
-	case MCU_MSG_TYPE_DESTROY_CHANNEL:
-		size = allegro_enc_destroy_channel(&dst[1], msg);
-		break;
-	case MCU_MSG_TYPE_ENCODE_FRAME:
-		size = allegro_enc_encode_frame(&dst[1], msg);
-		break;
-	case MCU_MSG_TYPE_PUT_STREAM_BUFFER:
-		size = allegro_enc_put_stream_buffer(&dst[1], msg);
-		break;
-	case MCU_MSG_TYPE_PUSH_BUFFER_INTERMEDIATE:
-	case MCU_MSG_TYPE_PUSH_BUFFER_REFERENCE:
-		size = allegro_enc_push_buffers(&dst[1], msg);
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	/*
-	 * The encoded messages might have different length depending on
-	 * the firmware version or certain fields. Therefore, we have to
-	 * set the body length after encoding the message.
-	 */
-	dst[0] = FIELD_PREP(GENMASK(31, 16), header->type) |
-		 FIELD_PREP(GENMASK(15, 0), size);
-
-	return size + sizeof(*dst);
-}
-
-/**
- * allegro_decode_mail() - Parse allegro messages from the firmware.
- * @msg: The mcu_msg_response that will be filled with parsed values.
- * @src: Pointer to the memory that will be parsed
- *
- * The message format in the mailbox depends on the firmware. Parse the
- * different formats into a uniform message format that can be used without
- * taking care of the firmware version.
- */
-int allegro_decode_mail(void *msg, u32 *src)
-{
-	struct mcu_msg_header *header;
-
-	if (!src || !msg)
-		return -EINVAL;
-
-	header = msg;
-	header->type = FIELD_GET(GENMASK(31, 16), src[0]);
-
-	src++;
-	switch (header->type) {
-	case MCU_MSG_TYPE_INIT:
-		allegro_dec_init(msg, src);
-		break;
-	case MCU_MSG_TYPE_CREATE_CHANNEL:
-		allegro_dec_create_channel(msg, src);
-		break;
-	case MCU_MSG_TYPE_DESTROY_CHANNEL:
-		allegro_dec_destroy_channel(msg, src);
-		break;
-	case MCU_MSG_TYPE_ENCODE_FRAME:
-		allegro_dec_encode_frame(msg, src);
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	return 0;
-}